The portable programmer, which plugs into the DC port under the locks, can also open any door, even providing power through that port to trigger the mechanism of a door lock in which the battery has run out.

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Mr Morales said the deal would "open the door for Bolivians to have an international port, to use the ocean for global trade and for Bolivian products to have better access to global markets".

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Next to the door is the company's proprietary 30-pin Hero port for connecting the camera to either of the aforementioned BacPacs.

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To the left of this port is a microSD door that'll let you expand the device's 8GB or 16GB by up to 64GB, always a welcome feature on Nook devices, particularly in the case of a tablet, where, unlike e-readers, you'll probably actually be storing some HD multimedia files.

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After we had made it to the Port Authority, I stood by the lower luggage door, watching as stuff was pulled out into the bus terminal's celery green light.

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The 13-inch model is thinner, too (0.47 vs. 0.59 inch), which is noteworthy given that the S5 was once touted as the "world's thinnest" Ultrabook. (The S5 had a motorized drop-down port door in the back, so it sort of had to be thicker than the S7.) Even if you don't have the S5 lying around for comparison's sake, we think you'll be able to appreciate how impressively thin this is.

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And, in the few days I was using it, a little door covering the USB port fell off and the top cover, which I had removed to insert a cellular SIM card, kept coming loose.

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That said, the rotating magnetic aluminum door that reveals the SD card and SIM slots is slick -- far easier to open and close than the plastic port covers found on most other slates.

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